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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Zonguldak Threshold Days by Year (TUM00017022)

10 fixed thresholds counted per year at Zonguldak (TUM00017022): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Zonguldak Thresholds

  • Zonguldak: days with 10 mm (0.39 in) or more of precipitation in 20 years, most in 1968 with 36.
  • Zonguldak: days with 25 mm (0.98 in) or more of precipitation in 20 years, most in 1958 with 10.
  • Zonguldak: days with 50 mm (1.97 in) or more of precipitation in 16 years, most in 1958 with 2.
  • Zonguldak: days with a maximum temperature at or above 30 C (86 F) in 4 years, most in 1958 with 11.
  • 10 fixed thresholds have at least one qualifying day at Zonguldak.
4 years with a qualifying day
Days at or above 30 C (86 F) per year at Zonguldak Days per year at Zonguldak with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 11 in 1958. 0510151958: 111968: 72006: 62025: 11958196820062025
Days per year at Zonguldak with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 11 in 1958.
Days at or above 30 C (86 F) per year at Zonguldak
YearDaysDecade average
19581111
196877
200666
202511
First to last qualifying date each year at Zonguldak For each year, a bar from the first to the last day at Zonguldak meeting 30 C (86 F). 1958: 18 May 1958 to 25 August 19581968: 1 June 1968 to 19 September 19682006: 31 May 2006 to 22 August 20062025: 25 May 2025 to 25 May 20251958196820062025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Zonguldak meeting 30 C (86 F).
First to last qualifying date each year at Zonguldak
YearFirst dateLast date
19581958-05-181958-08-25
19681968-06-011968-09-19
20062006-05-312006-08-22
20252025-05-252025-05-25

Every Fixed Threshold

Fixed thresholds at Zonguldak
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days41119581
35 C (95 F): Days1219582
90 F (32.2 C): Days2719582
0 C (32 F): Ice days (max2319681
0 C (32 F): Frost days (min10n/a5
20 C (68 F): Tropical nights (min10n/a1
10 mm (0.39 in): Days with 10 mm or more rain2036196818
25 mm (0.98 in): Days with 25 mm or more rain201019581
50 mm (1.97 in): Days with 50 mm or more rain16219582
100 mm (3.94 in): Days with 100 mm or more rain20n/a1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1958.

Download the Data

  • Data for Zonguldak threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).